JPS6099834U - Protective relay device - Google Patents
Protective relay deviceInfo
- Publication number
- JPS6099834U JPS6099834U JP19045783U JP19045783U JPS6099834U JP S6099834 U JPS6099834 U JP S6099834U JP 19045783 U JP19045783 U JP 19045783U JP 19045783 U JP19045783 U JP 19045783U JP S6099834 U JPS6099834 U JP S6099834U
- Authority
- JP
- Japan
- Prior art keywords
- protective relay
- determining means
- determining
- output
- relay device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図及び第2図は面積法により実効値を求める場合の
リップルについての説明図、第3図は本考案に係る保護
継電装置の一実施例を示すブロック図、第4図及び第5
図は同実施例におけるリップルの説明図である。
1・・・変流器、2・・・フィルタ、3・・・サンプリ
ングホールド回路、4・・・A/D変換器、5及び8・
・・加算手段、6,9及び10・・・判定手段。1 and 2 are explanatory diagrams of ripples when calculating the effective value by the area method, FIG. 3 is a block diagram showing an embodiment of the protective relay device according to the present invention, and FIGS. 4 and 5
The figure is an explanatory diagram of ripples in the same embodiment. DESCRIPTION OF SYMBOLS 1... Current transformer, 2... Filter, 3... Sampling hold circuit, 4... A/D converter, 5 and 8...
... Addition means, 6, 9 and 10... Judgment means.
Claims (1)
情報の絶達値を半波分または一波分加える第1の加算手
段と、この第1の加算手段の出力により保護継電動作の
判定を行う第1の判定手段と、A/D変換されたサンプ
リング値を用いて和算または差算による位相演算を行う
位相変換手段と、この位相変換手段の出力の絶対値を半
波または一波分加える第2の加算手段と、この第2の加
算手段の出力により保護継電動作の判定を行う第2の判
定手段と、前記第1、第2の判定手段の出力のアンドま
たはオアをとる第3の判定手段とを備え、前記第3.の
判定手段の出力により実効値の判定を行うようにしたこ
とを特徴とする保護継電装置。a first addition means that adds half a wave or one wave of the ultimate value of system information sampled from the power system and A/D converted; and a protective relay operation is determined based on the output of the first addition means. a first determination means for calculating the phase by summation or difference using the A/D converted sampling values; a second determining means for determining protective relay operation based on the output of the second determining means; and a second determining means for determining the AND or OR of the outputs of the first and second determining means. and the third determining means. A protective relay device characterized in that an effective value is determined based on the output of a determining means.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19045783U JPS6099834U (en) | 1983-12-09 | 1983-12-09 | Protective relay device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19045783U JPS6099834U (en) | 1983-12-09 | 1983-12-09 | Protective relay device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6099834U true JPS6099834U (en) | 1985-07-08 |
Family
ID=30410367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19045783U Pending JPS6099834U (en) | 1983-12-09 | 1983-12-09 | Protective relay device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6099834U (en) |
-
1983
- 1983-12-09 JP JP19045783U patent/JPS6099834U/en active Pending
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